Refrigeration and Air Conditioning Technology (MindTap Course List)
8th Edition
ISBN: 9781305578296
Author: John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson
Publisher: Cengage Learning
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Textbook Question
Chapter 1, Problem 13RQ
Specific heat is the amount of heat necessary to raise the temperature of 1 lb of a ______1°F.
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35. What is a temperature of -5°C in degrees Kelvin?
An open pot of water is heated on the stove top. Which of the following statements best describes the temperature of the water?
A) The temperature of the water will continually increase as heat from the burner is applied.
B) The temperature of the water will increase until the water becomes a superheated vapor.
C) The temperature of the water will increase until the water becomes a compressed liquid.
The temperature of the water will increase only to the saturation temperature.
If the specific weight of a liquid is 58.5 lbf per cubic foot, what is the
specific volume of the liquid?
0.18 slug /ft³
0.23 slug /ft³
0.38 slug /ft³
O 0.55 slug /ft³
Chapter 1 Solutions
Refrigeration and Air Conditioning Technology (MindTap Course List)
Ch. 1 - Temperature is defined as A. how hot it is. B. the...Ch. 1 - State the standard conditions for water to boil at...Ch. 1 - List four types of temperature scales.Ch. 1 - Under standard conditions, water freezes at ____C.Ch. 1 - Molecular motion stops at _______F.Ch. 1 - One British thermal unit will raise the...Ch. 1 - In which direction does heat flow? A. From a cold...Ch. 1 - Describe heat transfer by conduction.Ch. 1 - Increase in sensible heat causes A. a higher...Ch. 1 - Latent heat causes A. a higher thermometer...
Ch. 1 - Describe how heat is transferred by convection.Ch. 1 - Describe how heat is transferred by radiation.Ch. 1 - Specific heat is the amount of heat necessary to...Ch. 1 - Atmospheric pressure at sea level under standard...Ch. 1 - To change from psig to psia, you must add...Ch. 1 - Convert 80F of Celsius.Ch. 1 - Convert 22C to Fahrenheit.
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- MDI stands for _________ ___________ ________.arrow_forwardThe ratio of the specific weight of a liquid to the specific weight of water at standard temperature is known as O a. Specific energy O b. Specific gravity O C. Specific mass O d. Specific volumearrow_forwardWhen a stationary mass of gas was compressed without friction at constant pressure its initial state of 0.8 m3 and 0.105 MPa was found to change to final state of 0.40 m3 and 0.105 MPa. There was a transfer of 85 kJ of heat from the gas during the process.How much did the internal energy of the gas change ? * 1 Add Filearrow_forward
- 2. the units for the term associated with pressure are: Answer Choice Group lbm/ft s2 lbf ft/ lbm lbf s2/ lbm lbf ft/sarrow_forwardAn automobile has a 350-in.3 engine displacement.The engine displacement, in liters, is?arrow_forwardWhich of the following requires the greatest amount of heat per kilogram for a given increase in temperature? O Copper Water Steam O Icearrow_forward
- How much energy corresponds to 1 lbm?arrow_forwardWhich of the following is reciprocal of density? a. Specific Volume b. Specific Density c. Specific Gravity d. Weight Densityarrow_forwardIf 3000 ft3 of air is crossing an evaporator coil and iscooled from 75F to 55F, what would be the volume of air, in ft3, exiting the evaporator coil?arrow_forward
- What temperature change on the Kelvin scale is equivalent to a 10 degree change on the Celsius scale.arrow_forwardWhat is the specific gravity of unknown liquid if you know that h=25.7 cm? Unknown liquid h cm 95 cm WATER 50 cmarrow_forwardif an alcohol has a specific gravity of 0.895, what is its specific volume?arrow_forward
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